mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
a827ba910c
This parameter is needed by the PCI driver-mode interface but is always NULL on x86. There are a number of calls to this function so it makes sense to minimise the parameters. Adjust the x86 function to omit the first parameter, and introduce stub functions to handle the conversion. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> [bmeng: rebase the patch against u-boot-x86/next to get it applied cleanly] Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* (C) Copyright 2002
|
|
* Daniel Engström, Omicron Ceti AB, daniel@omicron.se
|
|
*/
|
|
|
|
#ifndef _PCI_I386_H_
|
|
#define _PCI_I386_H_
|
|
|
|
#include <pci.h>
|
|
|
|
/* bus mapping constants (used for PCI core initialization) */
|
|
#define PCI_REG_ADDR 0xcf8
|
|
#define PCI_REG_DATA 0xcfc
|
|
|
|
#define PCI_CFG_EN 0x80000000
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
/**
|
|
* pci_x86_read_config() - Read a configuration value from a device
|
|
*
|
|
* This function can be called before PCI is set up in driver model.
|
|
*
|
|
* @bdf: PCI device address: bus, device and function -see PCI_BDF()
|
|
* @offset: Register offset to read
|
|
* @valuep: Place to put the returned value
|
|
* @size: Access size
|
|
* @return 0 if OK, -ve on error
|
|
*/
|
|
int pci_x86_read_config(pci_dev_t bdf, uint offset, ulong *valuep,
|
|
enum pci_size_t size);
|
|
|
|
/**
|
|
* pci_bus_write_config() - Write a configuration value to a device
|
|
*
|
|
* This function can be called before PCI is set up in driver model.
|
|
*
|
|
* @bdf: PCI device address: bus, device and function -see PCI_BDF()
|
|
* @offset: Register offset to write
|
|
* @value: Value to write
|
|
* @size: Access size
|
|
* @return 0 if OK, -ve on error
|
|
*/
|
|
int pci_x86_write_config(pci_dev_t bdf, uint offset, ulong value,
|
|
enum pci_size_t size);
|
|
|
|
/**
|
|
* pci_bus_clrset_config32() - Update a configuration value for a device
|
|
*
|
|
* The register at @offset is updated to (oldvalue & ~clr) | set. This function
|
|
* can be called before PCI is set up in driver model.
|
|
*
|
|
* @bdf: PCI device address: bus, device and function -see PCI_BDF()
|
|
* @offset: Register offset to update
|
|
* @clr: Bits to clear
|
|
* @set: Bits to set
|
|
* @return 0 if OK, -ve on error
|
|
*/
|
|
int pci_x86_clrset_config(pci_dev_t bdf, uint offset, ulong clr, ulong set,
|
|
enum pci_size_t size);
|
|
|
|
/**
|
|
* Assign IRQ number to a PCI device
|
|
*
|
|
* This function assigns IRQ for a PCI device. If the device does not exist
|
|
* or does not require interrupts then this function has no effect.
|
|
*
|
|
* @bus: PCI bus number
|
|
* @device: PCI device number
|
|
* @irq: An array of IRQ numbers that are assigned to INTA through
|
|
* INTD of this PCI device.
|
|
*/
|
|
void pci_assign_irqs(int bus, int device, u8 irq[4]);
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* _PCI_I386_H_ */
|